Op 6/15/2017 om 12:19 PM schreef Luescher Claude: > I have +vnd.dovecot.duplicate plugin enabled but it seems to be > ineffective. Any other tips for a workaround? >
Enabling that extension does nothing by itself. You need to add a corresponding rule to your Sieve script. Also, that is the deprecated name for that extension. It is explained fully here: https://tools.ietf.org/html/rfc7352 Regards, Stephan.
